	/* 提取公共样式 */
	.flex-sp-ac {
		display: flex;
		/* 两端对齐 */
		justify-content: space-between;
		align-items: center;
	}

	.flex-sc-ac {
		display: flex;
		justify-content: center;
		align-items: center;
	}
	.flex-ac{
		display: flex;
		align-items: center;
	}
	.flex-colum{
		display: flex;
		flex-direction: column;
	}
	.flex-f1{
		display: flex;
		flex: 1;
	}
	.flex{
		display: flex;
	}